The GL-9000HD 4 post lift is the perfect option for stacking cars while also allowing full size pickup trucks and SUVs on top. The outside slider design is the safest and most stable design in the industry allowing you to feel confident in the stability of your lift. The GL-9000HD does not need to be bolted to the floor and can be moved around in your garage/shop using the included casters. Installation available in most areas Flooring Requirement: Standard 4" Concrete Power Requirement: 120V, 20amp Key Features 9000 lb Lifting Capacity Outside Slider Design 1/2 inch cables 5 inch Pulleys With Greasable Zerk Fittings Cable Keepers on Every Pulley Boxed in Runways Reinforced Crossbars Durable Powder Coat Finish J-Channel Center Rail System 120V ETL Certified Motor 12"x12" Footplate, 5/8" Thick Flow Restrictor Anti Surge Valve 7-Year Limited Warranty What’s Included: Aluminum ramps 4 Drip Trays Rolling Jack Tray (4500lb rating) Mobile Caster Kit Aluminum Wheel End Stops ETL Certified Power Unit Wheel chocks Post Height: 7' 9" Overall Length: 15' 6" Overall Width: 9' 6" Drive Under Clearance Height: 5' 10" Drive Through Width Bottom: 98" Drive Through Width on Top Between Cables: 94" Outside Runway to Outside Runway: 75"